Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to return the sum of all the numerical elements in the list A between the positions i and j (including positions i and j). Return 0 if no numerical element is present in the list between the given ranges. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 7, 8, ['6971', '6735', '5141', 't', 'c', '4839', 'B', '9315', 'f', '7229', 'u', '319', 'f', 'T', '9569', '8849']

9315